Connected: An Internet Encyclopedia
RFC 1812 - 4.2.2.6 Unrecognized Header Options: RFC 791 Section 3.1

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### 4.2.2.6 Unrecognized Header Options: RFC 791 Section 3.1

A router MUST ignore IP options which it does not recognize. A corollary of this requirement is that a router MUST implement the End of Option List option and the No Operation option, since neither contains an explicit length.

DISCUSSION

  All future IP options will include an explicit length.

Next: 4.2.2.7 Fragmentation: RFC 791 Section 3.2

Connected: An Internet Encyclopedia
RFC 1812 - 4.2.2.6 Unrecognized Header Options: RFC 791 Section 3.1